added DailyTemperatures.java

company/google/DailyTemperatures.java

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+//Given a list of daily temperatures, produce a list that, for each day in the input, tells you how many days you would have to wait until a warmer temperature. If there is no future day for which this is possible, put 0 instead.
+//
+//For example, given the list temperatures = [73, 74, 75, 71, 69, 72, 76, 73], your output should be [1, 1, 4, 2, 1, 1, 0, 0].
+//
+//Note: The length of temperatures will be in the range [1, 30000]. Each temperature will be an integer in the range [30, 100].
+
+class DailyTemperatures {
+    public int[] dailyTemperatures(int[] temperatures) {
+        int[] result = new int[temperatures.length];
+        Stack<Integer> stack = new Stack<Integer>();
+        for(int i = 0; i < temperatures.length; i++) {
+            while(!stack.isEmpty() && temperatures[i] > temperatures[stack.peek()]) {
+                int index = stack.pop();
+                result[index] = i - index;
+            }
+            stack.push(i);
+        }
+
+        return result;
+    }
+}

leetcode/hash-table/DailyTemperatures.java

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+//Given a list of daily temperatures, produce a list that, for each day in the input, tells you how many days you would have to wait until a warmer temperature. If there is no future day for which this is possible, put 0 instead.
+//
+//For example, given the list temperatures = [73, 74, 75, 71, 69, 72, 76, 73], your output should be [1, 1, 4, 2, 1, 1, 0, 0].
+//
+//Note: The length of temperatures will be in the range [1, 30000]. Each temperature will be an integer in the range [30, 100].
+
+class DailyTemperatures {
+    public int[] dailyTemperatures(int[] temperatures) {
+        int[] result = new int[temperatures.length];
+        Stack<Integer> stack = new Stack<Integer>();
+        for(int i = 0; i < temperatures.length; i++) {
+            while(!stack.isEmpty() && temperatures[i] > temperatures[stack.peek()]) {
+                int index = stack.pop();
+                result[index] = i - index;
+            }
+            stack.push(i);
+        }
+
+        return result;
+    }
+}

leetcode/stack/DailyTemperatures.java

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+//Given a list of daily temperatures, produce a list that, for each day in the input, tells you how many days you would have to wait until a warmer temperature. If there is no future day for which this is possible, put 0 instead.
+//
+//For example, given the list temperatures = [73, 74, 75, 71, 69, 72, 76, 73], your output should be [1, 1, 4, 2, 1, 1, 0, 0].
+//
+//Note: The length of temperatures will be in the range [1, 30000]. Each temperature will be an integer in the range [30, 100].
+
+class DailyTemperatures {
+    public int[] dailyTemperatures(int[] temperatures) {
+        int[] result = new int[temperatures.length];
+        Stack<Integer> stack = new Stack<Integer>();
+        for(int i = 0; i < temperatures.length; i++) {
+            while(!stack.isEmpty() && temperatures[i] > temperatures[stack.peek()]) {
+                int index = stack.pop();
+                result[index] = i - index;
+            }
+            stack.push(i);
+        }
+
+        return result;
+    }
+}